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(No Model.) 2 Sheets-Sheet 1;

A.-T.'.SARPERT'& L. H. VOLLERT.

OALENDER FOR CLOTH AND OTHER FABRICS.

No. 252,625. Patented Jan. 24,1882.

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(No Model.) r 2 sheets-sheet 2.

A. T. SARFERT & L. H. VOLLERT.

G-ALBNDER POR'GLOTH AND OTHER FABRICS.-

No. 252,625. Patented Jan. 24,1882.

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ALEXANDER T. SARFERT AND LUDWIG H. VOLLERT, OF MEERANE, SAXONY, GERMANY.

CAL ENDER FOR CLOTH AND OTHER FABRICS.

SPECIFICATION forming part of Letters Patent No. 252,625, dated January 24, 1882.

Application filed November 3, 1881. (No model.) Patented in Germany May 4, 1880.

To'all whom it may concern Be it known that we, ALEXANDER THEO- DOR SARFERT and IJUDWIG HEINRICH VoL- LERT, subjects of the King of Saxony, residing at Meerane, in the Kingdom of Saxony, German Empire, have invented certain new and useful Improvements in Galenders for Cloth and other Fabrics; and we do hereby declare the following to be a full, clear, and exact deto scription of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being bad to the accompanying drawings, and to letters or figures of reference marked thereon, which form a part of this specification.

In order to finish or produce a glossy surface or luster upon cloth or otherfabrics, rollerpresses have heretofore been employed, the

fabric being passed between two such rollers, one ofwhich is stationary and heated and the other revolving. Friction calendering machines have also been used in which calendering-rolls having a differential speed are made the means for imparting the finish orluster by reason of the greater rapidity of revolution of one of said rolls as compared with that of the other; lastly, felt calenderingor finishing-rolls in which the felt travels at the same speed as that of the rolls between them and the cloth or 0 fabric have been used.

Our invention is distinguishable from the calendering-machines heretofore used, so far as known to us, in the fact that an endless a pron traveling at a speed difierent from that of the 5 calendering-roll is made to carry the fabric between it and said roll. By this arrangement fabrics having raised points of intersection may be calendered or finis:ed upon one side without injuring the raised points of intersec- 0 tion on the opposite side thereof.

The invention therefore consists essentially in the use of an endless apron traveling at a speed differentfrom that of the calendering or finishing roll and carrying with it the fabric to 5 be calendered.

The invention further consists in a peculiar arrangement of friction and toothed gearing to impart the necessary movement to the various rolls of the machine; and it consists, lastly,

in certain details of construction and combination of parts, all as fully described hereinafter, and shown in the accompanying drawings, in which- 1 Figure 1. is a front elevation, and Fig. 2 a plan View, the apron and fabric being removed; and Fig. 3', a vertical transverse section of a calendering-maehine constructed according to our invention. Figs. 4c and 5 are respectively a plan view and a vertical transverse section of a like machine, showing a different arrange- 6o ment of parts.

In the construction of our machine the feed and receiving rolls and the guide rolls maybe arranged vertically, or one above another, as shown, Figs. 1, 2, and 3; or they may be arranged horizontally, or one after another, as shown by Figs. 4 and 5; or they may be arranged on an inclined plane one afteranother without interfering with the good operation of said machine. In this respect the construction will be guided by the space the machine is to occupy or by other circumstances, and such machines may be used alone for finishing or calendering purposes, or in conjunction with other classes of finishing or calendering machines, more especially with the usual felt calendering machines.

In the drawings like letters of reference are employed to indicate like parts wherever they occur.

A A represent the main frame, of'suitable construction to receive and support the operating mechanism.

13 is a feed-roll, from which the fabric is fed to the calendering-roll; and O is a receivingroll, upon which said fabric is wound after it has been calendered or finished.

D and F are guide-rolls, and E is the calendering-roll.

In practice we make the roll D of a greater 0 diameter than either of the rolls E F, to impart to the fabric the necessary sliding motion,

and to provide for the same a greater adhesive surface upon the roll D than upon the roll E, to increase the friction.

The calendering-roll E is highly polished and hollow. It is heated by passing steam, hot air, or hot water through said roll in any usual and well-known manner.

His an endless apron, which is preferably made of feltin machines for ealendering fabrics, though it may be made of sheet metal, cloth, or other textile fabric, or pasteboard when the machine is used for ealendering paper or other materials. The endless apron passes around the guide-roll D, next around the ealenderingroll E and the guide-roll I and finally over the guide or tension roll G, located to one side of said rolls D, E, and F, as shown. The endless apron is moved in the direction of the arrows, Figs. 3 and 5, (at a speed either greater or less than that of the ealendering-ro1lE,) through the medium of the guide-roll D, the rotation of which is entirely independent of that of the said ealendering-roll, and is effected by the following mechanism:

P is a belt-pulley, that serves at the same time as a friction-wheel. It is mounted upon a counter'shaft, p, and its motion is communicated to a second friction-wheel, Q, that is mounted upon a like counter-shaft, q, through the medium of an adjustable friction-pulley, R, interposed between the wheels P Q.

By means of the adjustable pulley R the speed of the guide-roll D relatively to that of the ealendering-roll E may be adjusted either slower or faster.

The movement of the friction-wheels Q P is ransmitted to the'guide-roll D by means of toothed gearing S S, and to the ealenderingrollbymeansoflike gearing,TT. The toothed wheel S is mounted upon the journal of the guide-roll D, the pinion S upon the countershaft q, both gearing together; and the pinion T is mounted upon counter-shaft p and the toothed wheel T upon thejournal ot' the calendering-roll E, the latter pinion and wheel also gearing together, as shown in Fig. 2.

The guide-roll F receives motion from the endless apron H through the guide-roll D,and both the rolls move in the same direction, while the receiving roll 0, which receives motion from the toothed wheel T through a like wheel, U, moves with the ealendering-roll in a reverse direction, as shown by the arrows. The pressure of the rolls D F upon the endless apron H and the material to be finished may be adjusted by means of set'screws O, acting in the usual manner upon their journal-bearings.

The operation of the machine is as follows:

The end of the fabric to be calendered is taken from the feed-roll B and passed alternately from one side to the other, under and overtheguide-slats ortension-bars a a a,thence over the endless apron H, between the latter and the ealendering roll E and guide-roll D. The fabric is then carried along by the endless apron between the rolls E F and taken to the receiving or winding roll 0, upon which it is wound. The ealendering in this machine is therefore effected by the securing of the fabric during its passage with the endless apron over the ealendering-roll E, produced by the difference in the speed (either greater or less) between said roll E and the fabric and endless apron upon which it is carried. This scouring does, however, not take place upon that side of the fabric in contact with the endless apron, and said side is therefore not calendered or finished. -Henee fabrics having raised points of intersection or ribs upon one side-such as rep, damasks, Ste-may have one side thoroughly finished or calendered, while that side having the raised points of intersection or ribs will be pressed into the apron and will not be calendered, and for this purpose we employ an endless apron of felt.

Figs. 4 and 5 illustrate a machine in which the various rollers are arranged horizontally relatively tov the frame, side by side, and from what has been said above the operation thereof will be readily understood.

Having now described our invention, what we claim is-- 1. In acloth finishing or ealendering machine, the combination of the endless apron H with therolls DEF, the rollD having a greater diameter than the other rolls, all arranged and operating substantially as described, for the purpose specified.

2. In a cloth finishing or ealendering machine, the combination of an endless apron with the rolls D E F G, the roll D having a greater diameter than either of the other rolls, all arranged and operating substantially as and for the purpose shown and described.

3. In a cloth finishing or ealendering machine, the combination, with the guide-roll D and ealendering or finishing roll E. of the differential gear P, Q, R, S S, and T T, all arranged and operating substantially as and for the purposes specified.

In testimony whereof we affix our signatures in presence of two witnesses.

ALEXANDER THEODOR SARFERT. LUDWIG HEINRICH VOllhElt'l.

Witnesses:

CARL LoEBER, N. H. GINNIss. 

